Drop-base rim with fillers



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DROP BAS-E RIM WITH FILLERS l Filed Nov. 24, 1924 z'sheets-snet 1 `2 Sheets-Sheet 2 July 22,- 1930.v J. H. wAGENHoRsT ADROP BVASEVRIM WITH FILLERS Filed N oY. 24, 1924 j en Patentedl July 22, 1930 j a Ulsu'rliu` STA-TES JAMES H. WAGENHORST, or JACKSON, MICHIGAN DROP-BASE RIM WITH FILLERS Application filed November 24, 1924. Serial No. 751,791.

This invention relates generally to automobile tire rims and more particularly to rimsk intended for use in connection with balloon tires.

The invention is also in the nature of an improvement upon the rim shown and described inV my Patent No. 1,551,445, dated August 25, 1925.

Rims of this particular type are designated drop base rims because the central portion of the rim base is dropped or extended radially inwardly, and upon each side ot this cen tral inwardly projecting portion there are provided seats for the beads of the tire which terminate or carry at opposite sides, the tire engaging flanges.

I/Vhen a tire is arranged on the rim and in- Y Hated, the'bead portions will rest on their seats and the inner tube will tit into the inf wardly extending portion of the rim base.

In case of sudden deflation of the tire there is j danger of the tire beads beingforced down In my application hereinbefore referred to,

I employ a filler which occupies a part of the drop base portionof the rim, which `filler permits a screw driver or other form ofV tool to be introduced under the bead of the tire without injury to the inner tube.' Y

The object of the present invention is not only to provide a filler for the purpose ot'.

protecting the inner tube, but also to prevent the accidental displacement ofthe tire from the rim; and these objects I accomplish by employing two sections of filler, one at the 'Y valve stem hole and the other portionrsubstantially opposite the valve stem hole, theseV fillers being arranged within the drop base portion vof the telly and substantially ush with the bead seating portions of the rim so that the screw driveror tire tool can be pushed under both bead and inner tube withoutini ,jury to the inner tube.) v i f By employing two sections of filler atsub stantially diametrically oppositey points, VI

practically render it impossible to accidently f displace the rim .during deflation, inasmuch `as it is necessary to project the tirefia'tl op@ positesides into the dro-p. base portion of the rim in order to remove the tii'e at the inter` mediate points, and it will be practically iin possible for oppositelv disposed portions ot the tire to be pushed into the drop base portion of the rim at one and the same time while the Atire isin motion andunder deilation;

The invention consists Valso inV certain de" tailsjof construction all of which will be fully described and set forth in theappended claim. In the drawings forming a part of this s1`3ecification,`Fig. 1 is a vertical longitudinal j sectional viewlof a rim'constructedin accordance with my invention; Fig." 2' is a top plan view of the saine Figis' a sectional view of "a rim Ataken on theline 3U-3 of"Fig, 1 with thetire shown therein g1 Fig. 4 is a sectiontak`- en on the line 444 of Fig. 1 andFig. Q5 is la section taken on Ythe line 5545 of Figl, the tire being omitted. j f In the practical embodiment oit' my invention I employ a sheet metal4 rim which is preferably continuous and is rolled with afcentral inwardly projecting Yportion A, oppovsitely `disposed beadseating portions B at each side of the centraldrop base portion and the integraltireengaging flanges In normal use this rim is adapted to be usedin connection with balloon tires embodying the outer casing or shoe VD and the inner tube E, the jshoe having bead portions F which are Vheld `upon the bead seats when the inner tube is iniiated, and the inner portion of thisinner tube restsin the ,drop base portion of the rim. Thisftype of rim, however, can `be ,usted for other tires besides Aballoon tires. 1 y f" A tire Aconstructed in this manner can be .attached Ato either aV wooden forl metal wheel body, and' the metaljwlieel vbody may beeither 'spoke or disk 4and, `while a rim of this charac'- -t-er is usuallylfpermanently connected- "to the' livheelbody, it could, of course,be a demountable rim, if desired- 1 At oppositely disposed points, preferably at the valve stein hole and at a point opposite thereto, I arrange fillers G and H, Which are substantially similar except that the filler G is formed With a tubular portion G through which the valve sternis passed, this tubularportion G coinciding with thevalve Y stem opening A in the base ofthe rin),

Theiillers Gy and'I-I are preferably made of thin sheet metal and are arranged, as before stated, at opposite points and Within the drop base portion of the rim, the filler being of sufficient Width to extend fromV one side Wall of the drop base portion tothe opposite y side Wall and its outer'edges'are flanged Vand tapered, as yindicated at I, inv order. to pro-r vide a sniooth Ajoint betfii'veen the edges of "the i-llerand thevvalls ofthe rjiln. .e IItjv'vill be noted that. the filler is substan- ,go tiallyA flush with the bead seatsJ but Yis lslightly. inside of the true line extending across bet-Ween the seats, but itis so nearly vflush withy the said seats that a screwdriver `0,1? other forni o'tire tool can be readily insented underthe beadand under theV adjaeent portion of the inner tube Without injursignature.

' JAMES H. IVAGENHORST.

ingy said linner tube. It will also be noted Y that the opposite ends of the 'illersnre curved inwardly', as indicated at G? andl H2 until i430 they-contact Withth'e central portion ofthe riln, S mOst clearly shown in Figs.` l and 2.

The fillers alle Preferably Welded te the rirn base, and the anges ,'YI, provideconfvenifentpoints foiysueh operations ThiS; Weld- ;,5 can be either Aelectric for, flame Welding, e preferred-r s Inthe applicationoff tires tothe rim, or

in the removal thereof from lthe1 i1n,"theop- 40 of the Vand Work portions of the tireon either or both sids of the iiller into the unlled drop base portions land there- Aby ,remove the saine-frein the riinfor replacefii' 4,5 By having the. flllls vthn the lill at di.-Y

ametl'cally opposite points, all dangelrio1-Y the toire` becoming' accidentally thrown' poli'v the riin ivhile,A under deflationfand inl Amotion is ren'ioved, because, While in Inet-ion, will be 5,0 impossible tQf simultaneously Aforce the rim bds into tllfeunfilled droplbag-pprtn at @ed-l beneath. the heed and inner tube. 23.1?,theno,inteL theY fillers are, @11.19.1Q-ye1'ani efihsle #une th-beads ee at en@ 01;! tivo ponts? removed can be S1 int-1 fheflgrep Senf, the rilli- Were fi. Het 1ere-vided# it veel@ be vQ-lydaneel'f ons to intrfodnee a tire. tool beneath thebead 9f- Piobeblbr of iaiir-rig the inner- Q tribe which would be resting the base tire'tool. inasmuch 

